package com.my.ecommercesystem.controller;

import com.alipay.api.AlipayClient;
import com.alipay.api.DefaultAlipayClient;
import com.alipay.api.internal.util.AlipaySignature;
import com.alipay.api.request.AlipayTradePagePayRequest;
import com.my.ecommercesystem.entity.User;
import com.my.ecommercesystem.service.OrderService;
import com.my.ecommercesystem.utils.AlipayConfig;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;

@Controller
public class PayController {
    @Autowired
    private OrderService orderService;

    public OrderService getOrderService() {
        return orderService;
    }

    public void setOrderService(OrderService orderService) {
        this.orderService = orderService;
    }

    @RequestMapping("/doPay")
    @ResponseBody
    public String doPay(HttpServletRequest request) throws Exception {
        //User user= (User) request.getSession().getAttribute("loginuser");
        //获得初始化的AlipayClient
        if (true) {


            AlipayClient alipayClient = new DefaultAlipayClient(
                    AlipayConfig.gatewayUrl,
                    AlipayConfig.app_id,
                    AlipayConfig.merchant_private_key, "json",
                    AlipayConfig.charset,
                    AlipayConfig.alipay_public_key,
                    AlipayConfig.sign_type);
            //设置请求参数
            AlipayTradePagePayRequest alipayRequest = new AlipayTradePagePayRequest();
            alipayRequest.setReturnUrl(AlipayConfig.return_url);
            alipayRequest.setNotifyUrl(AlipayConfig.notify_url);
            //商户订单号，商户网站订单系统中唯一订单号，必填
            String out_trade_no = request.getParameter("code");
            //付款金额，必填
            String total_amount = String.valueOf(request.getParameter("price"));
            //订单名称，必填
            String subject = request.getParameter("time");
            //商品描述，可空
            String body = "aaaa";
            String timeout_express = "15m";
            if (null != total_amount) {
                alipayRequest.setBizContent("{\"out_trade_no\":\"" + out_trade_no + "\","
                        + "\"total_amount\":\"" + total_amount + "\","
                        + "\"subject\":\"" + subject + "\","
                        + "\"body\":\"" + body + "\","
                        + "\"timeout_express\":\"" + timeout_express + "\","
                        + "\"product_code\":\"FAST_INSTANT_TRADE_PAY\"}");
                try {

                    String result = alipayClient.pageExecute(alipayRequest).getBody();
                    return result;
                } catch (Exception e) {
                    e.printStackTrace();
                }
            }
            return "订单信息错误";
        }
        return "尚未登录";
    }


    @RequestMapping("/payReturn")
    public String payReturn(HttpServletRequest request, HttpServletResponse response) throws Exception {
        System.out.println("----------进入了返回方法----------------");
        // 获取支付宝GET过来反馈信息
        Map<String, String> params = new HashMap<String, String>();
        Map<String, String[]> requestParams = request.getParameterMap();
        for (Iterator<String> iter = requestParams.keySet().iterator(); iter.hasNext(); ) {
            String name = (String) iter.next();
            String[] values = (String[]) requestParams.get(name);
            String valueStr = "";
            for (int i = 0; i < values.length; i++) {
                valueStr = (i == values.length - 1) ? valueStr + values[i] : valueStr + values[i] + ",";
            }
            // 乱码解决，这段代码在出现乱码时使用
            valueStr = new String(valueStr.getBytes("ISO-8859-1"), "utf-8");
            params.put(name, valueStr);
        }
        boolean signVerified = AlipaySignature.rsaCheckV1(params, AlipayConfig.alipay_public_key, AlipayConfig.charset,
                AlipayConfig.sign_type); // 调用SDK验证签名
        // ——请在这里编写您的程序（以下代码仅作参考）——
        if (signVerified) {
            // 商户订单号
            String out_trade_no = new String(request.getParameter("out_trade_no").getBytes("ISO-8859-1"), "UTF-8");
            System.out.println("商户订单号---------------------------" + out_trade_no);
            // 支付宝交易号
            String trade_no = new String(request.getParameter("trade_no").getBytes("ISO-8859-1"), "UTF-8");
            // 付款金额
            String total_amount = new String(request.getParameter("total_amount").getBytes("ISO-8859-1"), "UTF-8");
//
//            if(biz.updateOrderByCode(out_trade_no,"已完成")){
//                System.out.println("支付成功");
//            }

            int a = orderService.freshOrderStatus("待评价", out_trade_no);
            if (a > 0) {
                System.out.println("-------------支付成功----------------");
            }
        } else {
            System.out.println("---------未支付-----------");
        }

        return "user_center_order";
    }


}
